ELECTROHYDROLIC LITHOTRIPSY (EHL)
• Via peroral to fragment large bile duct
• Best achieved under direct choledochoscopic and fluoroscopic
visualization
• EHL probe is commonly used in the SpyGlass system
.

such as mechanical lithotripsy.
laser. EHL.CONCLUSION
• Retain billiary distressed both the patient and the surgeon
• The choice of technique depends on Expertise and facilities
available
• Endoscopic techniques are effective for the treatment of
retained CBD stones
• Very large stones/complicated can be very challenging to
manage
• Another techniques. ESWL and Open drainage procedure
.